Play oven



FIG. 1 is a top, front, right perspective photographic view of a play oven showing my new design;

FIG. 2 is a top, front, left perspective photographic view thereof;

FIG. 3 is a front photographic view thereof;

FIG. 4 is a left side photographic view thereof;

FIG. 5 is a right side photographic view thereof; and,

FIG. 6 is a top photographic view thereof.

The broken lines depict portions of the play oven that form no part of the claimed design. 

CLAIM The ornamental design for a play oven, as shown and described. 